10 Questions
What is the yield of XYZ3 in grams?
180
What is the % composition of oxygen in the organic compound?
40.00%
What is the molarity of the resulting product Na2SO4 in the solution?
0
What is the limiting reagent of the reaction and the number of moles of NH3 formed?
N2, 0.71 moles
How much HNO3 is required to produce 110.0 g of KNO3?
91.5 g
What is the correct answer for the expression 0.02858 * 0.112 * 0.5702 using the rules for significant figures?
0.0056
What is the volume of unused nitrogen gas when 56.0 L of nitrogen gas is mixed with excess hydrogen gas and 20 L of ammonia gas is produced?
36.0 L
How many atoms of Mg are present in a 2 L solution of Mg with a concentration of 48 ppm?
2.88 × 10^20 atoms
What is the molarity of the remaining nitric acid solution when 800 mL of 0.5 M nitric acid is heated, its volume is reduced to half, and 11.5 g of nitric acid is evaporated?
6.09 × 10^-2 M
How many Fe atoms are present in 3.3 g of haemoglobin containing 0.34% iron by mass?
1.21 × 10^20
Test your knowledge of significant figures, gas volume calculations, and solution concentration in this practice quiz featuring questions from the JEE (Main) 2022 exam.
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